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1 vote
1 answer
481 views

Not sure what test to run to compare the proportions of a count outcome across a variable with 5 levels, between two groups (using R for analyses)

For a case-control study that I've conducted I've measured how many times a count outcome (count_outcome) occurred in each of 4 areas (...
tcvdb1992's user avatar
  • 139
0 votes
1 answer
2k views

Friedman chi-squared = 0. What does it mean?

My data was paired and do not fit normality. So I used a Friedman test.However, the result turn out to be Friedman chi-squared = 0, df = 1, p-value = 1. How do this happen? My data was in this way: <...
jack Wei's user avatar